121562036 has 24 divisors (see below), whose sum is σ = 232517376. Its totient is φ = 55359360.

The previous prime is 121562029. The next prime is 121562059. The reversal of 121562036 is 630265121.

It is a junction number, because it is equal to n+sod(n) for n = 121561996 and 121562014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26726 + ... + 30941.

It is an arithmetic number, because the mean of its divisors is an integer number (9688224).

Almost surely, 2^121562036 is an apocalyptic number.

It is an amenable number.

121562036 is a deficient number, since it is larger than the sum of its proper divisors (110955340).

121562036 is a wasteful number, since it uses less digits than its factorization.

121562036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57719 (or 57717 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 121562036 is about 11025.5174935238. The cubic root of 121562036 is about 495.3733686125.

The spelling of 121562036 in words is "one hundred twenty-one million, five hundred sixty-two thousand, thirty-six".